Home / 118,757.81-178,148.36-34,518.66

Finding the Fourth Proportional to 118,757.81, 178,148.36 and 34,518.66

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Solution

The fourth proportional to 118,757.81, 178,148.36 and 34,518.66 is: 51,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,757.81 : 178,148.36 = 34,518.66 : x
  2. Step 2: Convert to fraction form
    118,757.81/178,148.36 = 34,518.66/x
  3. Step 3: Cross multiply
    118,757.81x = 178,148.36 × 34,518.66
  4. Step 4: Simplify right side
    118,757.81x = 6,149,442,086.64
  5. Step 5: Solve for x
    x = 6,149,442,086.64/118,757.81
  6. Step 6: Final answer
    x = 51,781.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.